1.Install the Android SDK Platform Tools

in this part all you need, is to install android SDK Platform tools from google site. make sure to remember the directory you download and installed it.

2.Install the appropriate USB driver

Connect your device to the computer to see if the usb drivers automatically install.

otherwise you can download from manufacturers download centers. when the driver is runs go to next step.

3.Unlock your device’s boot loader

You should unlock boot loader. in some devices you should do some processes for it.

put your device on fast boot mode. after that go to the folder that contains SDK fils. then press shift+Right Click and choosing “Open a Command Prompt Here” if the device needs a password,it will be in an email.

you can paste it in the website. then you are near to root your device.